WO2005098319A1

WO2005098319A1 - Indoor unit of air conditioner

Info

Publication number: WO2005098319A1
Application number: PCT/JP2005/006915
Authority: WO
Inventors: Yuuichi Murai
Original assignee: Daikin Industries, Ltd.
Priority date: 2004-04-08
Filing date: 2005-04-08
Publication date: 2005-10-20
Also published as: KR20060132950A; JP3714354B2; KR100750785B1; US20080250808A1; CN100455912C; CN1938551A; AU2005231286B2; EP1752713A1; JP2005299975A; EP1752713A4; EP1752713B1; AU2005231286A1; ES2650187T3; US7716944B2; RU2327932C1

Abstract

An indoor unit (1) of air conditioner, whose aesthetic look can be improved. The indoor unit (1) of air conditioner comprises an indoor unit casing (2), a horizontal flap (3), and a front panel (4). The indoor unit casing (2) has an air blowing opening (20) through which air is blown into a room. The horizontal flap (3) is provided so as to freely open and close the air blowing opening (20) and guides air blown out from the air blowing opening (20). In a closed state, the front panel (4) covers at least a part of the indoor unit casing (2) and at least one end of the horizontal flap (3) closing the air blowing opening (20).

Description

Specification

Air conditioner indoor unit

Technical field

The present invention relates to an indoor unit of an air conditioner.

Background art

An indoor unit of an air conditioner often includes a casing having an outlet through which air blown into a room passes, and a flap for guiding the air blown out from the outlet. This flap is provided so as to be capable of opening and closing the outlet, and is provided so as to close the outlet in a closed state (Japanese Patent Application Laid-Open No. 2003-130382, FIG. 1).

However, when the flap closes the outlet, a boundary line is created between the flap and the outlet. Conventionally, this boundary line is visible in the appearance of the indoor unit of the air conditioner, and is easily visible to occupants and the like in the room. For this reason, this boundary line becomes a design noise, which degrades the aesthetic appearance, such as lowering the interior characteristics of the indoor unit of the air conditioner. Patent Document 1: JP-A-2003-130382 (Fig. 1)

Disclosure of the invention

[0003] An object of the present invention is to provide an indoor unit of an air conditioner that can improve aesthetic appearance.

An indoor unit of an air conditioner according to a first invention includes a casing, a flap, and a front panel. The casing has an outlet through which air blown into the room passes. The flap is provided so as to be able to open and close the outlet, and guides the air blown out from the outlet. In the closed state, the front panel covers at least a part of the casing and at least one end of the flap for closing the outlet.

In this air conditioner indoor unit, at least a part of the front panel force casing and at least one end of the flap that closes the outlet are covered, so that the boundary between the flap and the outlet is concealed and the external force is hardly visible. can do. Therefore, in the indoor unit of the air conditioner, it is possible to prevent the aesthetic appearance from being impaired by the boundary line, and to improve the aesthetic appearance. [0004] The indoor unit of the air conditioner according to the second invention is the indoor unit of the air conditioner of the first invention, and the flap has an elongated shape. And the front panel covers at least one end forming the long side of the flap.

In this air conditioner indoor unit, the front panel covers at least one end forming the long side of the flap, so that the front panel conceals the boundary between the one end forming the long side of the flap and the outlet, which is easily visible. be able to. Thereby, in the indoor unit of the air conditioner, the aesthetic appearance can be further improved.

The air conditioner indoor unit according to the third invention is the air conditioner indoor unit of the first invention or the second invention, wherein a gap is provided between the casing and the flap that closes the outlet. Then, the front panel covers this gap in the closed state.

[0005] When the outlet is opened and closed by the flap, a gap may be provided between the flap and the casing.

In the indoor unit of the air conditioner, the front panel covers the gap in the closed state, so that the gap that is likely to be a factor of deteriorating the appearance can be hidden.

The air conditioner indoor unit according to the fourth invention is the indoor unit of the air conditioner according to any one of the third inventions, and the outlet is provided at a lower portion of the casing. The front panel overlaps at least the upper end of the flap in the closed state.

In this air conditioner indoor unit, the front panel overlaps at least the upper end of the flap in the closed state. For this reason, the gap between the upper end of the flap and the casing is hidden by the front panel. Thus, in the indoor unit of the air conditioner, it is possible to prevent the aesthetic appearance from being impaired by the gap between the upper end of the flap and the casing, and to further enhance the aesthetic appearance.

[0006] The indoor unit of the air conditioner according to the fifth invention is the indoor unit of the air conditioner according to any one of the first invention and the fourth invention, wherein the front panel has at least one end of the flap in the closed state. And a suction port through which air taken into the casing passes.

In this air conditioner indoor unit, the front panel covers not only one end of the flap but also the suction port in the closed state. Therefore, in the closed state, the suction port can be concealed. As a result, the aesthetic appearance of the air conditioner indoor unit can be further improved. Wear.

The indoor unit of the air conditioner according to the sixth invention is the indoor unit of the air conditioner of the fifth invention, wherein the front panel has a first panel portion covering at least one end of the flap, and a second panel covering the suction port. And a part. Further, the first panel portion and the second panel portion are integrally formed.

In this air conditioner indoor unit, at least one end of the flap and the suction port can be covered by the front panel in which the first panel portion and the second panel portion are integrated. Therefore, the component configuration can be simplified as compared with the case where the first panel portion and the second panel portion are separated.

[0007] An indoor unit of an air conditioner according to a seventh invention is the indoor unit of the air conditioner of the sixth invention, wherein the casing has a first casing surface and a second casing surface. An outlet is provided on the first casing surface. A suction port is provided in the second casing surface, and the second casing surface makes a predetermined angle with respect to the first casing surface. Then, the first panel portion and the second panel portion are integrated at a predetermined angle along the first casing surface and the second casing surface in a closed state!

In this indoor unit of the air conditioner, the first panel portion and the second panel portion are integrally formed at a predetermined angle along the first casing surface and the second casing surface in the closed state. For this reason, the front panel has a shape along the first casing surface and the second casing surface, and can cover at least one end of the flap and the suction port together.

[0008] An indoor unit of an air conditioner according to an eighth invention is the indoor unit of the air conditioner of the seventh invention, wherein the front panel is configured such that the first panel portion moves along the first casing surface, and The outlet and inlet are opened by moving the two panel parts away from the surface force of the second casing.

In this air conditioner indoor unit, the front panel moves along the first casing surface and the second panel portion moves away from the second casing surface, so that the outlet and the suction Open your mouth. If the first panel part and the second panel part are separated, the opening and closing operations of the air outlet and the air inlet become complicated, so that the indoor unit of this air conditioner is integrated. By moving the front panel as described above, the outlet and the inlet can be easily opened. This allows In the air conditioner indoor unit, the outlet and the inlet can be opened by simple operation of the front panel.

[0009] The indoor unit of the air conditioner according to the ninth invention is the indoor unit of the air conditioner of the eighth invention, wherein the first panel portion is in an open state in which the front panel opens the outlet and the inlet. Close the gap between the second panel and the second casing surface.

In this air conditioner indoor unit, the first panel portion can close the gap between the second panel portion and the second casing in the open state. Thus, in the indoor unit of the air conditioner, it is possible to prevent the blown air from being blown from the suction port through the space between the second panel portion and the second casing.

The air conditioner indoor unit according to the tenth invention is the indoor unit of the air conditioner according to any one of the ninth invention, wherein the outlet has an elongated shape in the width direction of the casing. The front panel has a shape longer than the outlet in the width direction.

[0010] In this indoor unit of the air conditioner, the front panel has a shape longer than the outlet in the width direction. For this reason, the front panel can cover the boundary between the flap and the outlet more widely. Thereby, in the indoor unit of the air conditioner, the aesthetic appearance can be further improved.

An indoor unit of an air conditioner according to an eleventh aspect is the indoor unit of the air conditioner of the tenth aspect, wherein the front panel has substantially the same width as the width of the casing.

In this indoor unit of the air conditioner, the front panel has a width substantially equal to the width of the casing. For this reason, the front panel can cover a wider range of elements that may impair the appearance that appears on the surface of the casing. As a result, the aesthetic appearance of the indoor unit of the air conditioner can be further improved.

[0011] An indoor unit of an air conditioner according to a twelfth invention is the indoor unit of the air conditioner according to any one of the eleventh invention, wherein the front panel has a seam extending vertically when viewed from the front. Do not have.

In this air conditioner indoor unit, the front panel does not have a seam extending vertically when viewed from the front. Therefore, in the indoor unit of the air conditioner, there are fewer factors that may obstruct the appearance in appearance. As a result, in this air conditioner indoor unit, The view can be further improved.

An air conditioner indoor unit according to a thirteenth invention is the air conditioner indoor unit of any of the first to twelfth inventions, wherein a front panel covers the entire flap.

An indoor unit of an air conditioner according to a fourteenth invention includes a casing, a flap, and a front panel. The casing has an outlet through which air blown into the room passes. The flap is provided so as to be able to open and close the outlet, and guides the air blown out from the outlet. In the closed state, the front panel covers between the casing and the flap that closes the outlet.

[0012] An indoor unit of an air conditioner according to a fifteenth invention is the indoor unit of the air conditioner of the fourteenth invention, wherein the flap covers a lower portion of the outlet in the closed state. The front panel covers the upper part of the outlet in the closed state.

An indoor unit of an air conditioner according to a sixteenth invention is the indoor unit of the air conditioner of the fourteenth invention or the fifteenth invention, wherein the closed front panel covers one end of the flap in a front view.

Brief Description of Drawings

FIG. 1 is a front view of an indoor unit of an air conditioner.

FIG. 2 is a side view of an indoor unit of the air conditioner.

FIG. 3 is a side sectional view of an indoor unit of the air conditioner.

FIG. 4 is an external perspective view of an indoor unit of the air conditioner in a closed state.

FIG. 5 is a front view of the indoor unit of the air conditioner with the front panel removed.

FIG. 6 is a diagram showing an opening / closing operation of a front panel of an indoor unit of the air conditioner.

FIG. 7 is an external perspective view of an indoor unit of the air conditioner in an open state.

BEST MODE FOR CARRYING OUT THE INVENTION

[0014] <Configuration>

FIG. 1 and FIG. 2 show an indoor unit 1 of an air conditioner according to an embodiment of the present invention. FIG. 1 is a front view of the indoor unit 1 of the air conditioner, and FIG. 2 is a side view of the indoor unit 1 of the air conditioner. The indoor unit 1 of the air conditioner is a wall-mounted indoor unit attached to a wall surface of the room, and performs air conditioning such as indoor cooling and heating. The indoor unit 1 of this air conditioner One single 2 (casing), horizontal flap 3 (flap) and front panel 4

[Indoor unit casing]

As shown in FIG. 1, the indoor unit casing 2 has a rectangular shape that is long in the horizontal direction when viewed from the front, and houses an indoor heat exchanger (not shown), an indoor fan, control components, and the like. A front panel 4 is attached to the front of the indoor unit casing 2. The front panel 4 will be described later in detail. As shown in FIG. 3, the indoor unit casing 2 is provided with a blowout port 20, a first suction port 21 (suction port), and a second suction port 22. FIG. 3 is a side sectional view of the indoor unit 1.

The outlet 20 is an opening through which air blown into the room passes, and is provided on the first casing surface 23. As shown in FIG. 2, the first casing surface 23 forms a front portion of the bottom surface of the indoor unit casing 2, and the outlet 20 is provided at a lower portion of the indoor unit casing 2. The first casing surface 23 is inclined such that the front end is located upward. The outlet 20 has an elongated shape in the width W direction of the indoor unit casing 2 (the longitudinal direction of the indoor unit casing 2; see FIG. 1), and the horizontal flap 3 is provided.

The first suction port 21 shown in FIG. 3 is an opening through which air taken into the indoor unit casing 2 passes, and is provided on the second casing surface 24. As shown in FIG. 2, the second casing surface 24 constitutes the front of the indoor unit casing 2, and the first suction port 21 is provided on the front of the indoor unit casing 2. The second casing surface 24 has a substantially flat shape extending in the vertical direction, but is slightly inclined so that the upper end is located forward. The lower end of the second casing surface 24 is continuous with the upper end of the first casing surface 23, and the second casing surface 24 forms a predetermined angle with the first casing surface 23. That is, the first casing surface 23 and the second casing surface 24 have a bent shape, and form a relatively gentle angle of 90 degrees or more and less than 180 degrees.

The second suction port 22 is an opening through which air taken into the indoor unit casing 2 passes, and is provided on a top surface 25 of the indoor unit casing 2 as shown in FIG. The second suction port 22 is constituted by a plurality of slits extending in the width W direction of the indoor unit casing 2. [Horizontal flap]

The horizontal flap 3 is provided so as to be able to open and close the outlet 20 and guides the air blown out from the outlet 20. The horizontal flap 3 has a substantially rectangular shape elongated in the width W direction of the indoor unit casing 2 and is provided at the outlet 20 so as to be rotatable around an axis parallel to the width W direction of the indoor unit casing 2. Although the horizontal flap 3 has a shape slightly smaller than the outlet 20, as shown in FIG. Is provided. By providing the gap G, the horizontal flap 3 can be rotated at the outlet 20 with little restriction. FIG. 5 is a front view of the indoor unit 1 with the front panel 4 removed.

[0017] [Front panel]

The front panel 4 opens and closes the first inlet 21 and covers at least a part of the indoor unit casing 2 and at least one end of the horizontal flap 3 that closes the outlet 20 in the closed state. Specifically, as shown in FIGS. 2 and 3, the front panel 4 also has an external force applied to a portion near the upper end forming the long side of the horizontal flap 3 and a part of the first casing surface 23 and the second casing surface 24. Overlap. Therefore, the front panel 4 covers the gap G between the upper end of the horizontal flap 3 and the outlet 20 in the closed state. The front panel 4 has a shape that is bent along the bending of the first casing surface 23 and the second casing surface 24 of the indoor unit casing 2. The front panel 4 has a shape longer than the outlet 20 in the width W direction of the indoor unit casing 2 and has a width W substantially equal to the width W of the indoor unit casing 2. Further, as shown in FIG. 1, the front panel 4 does not have a seam extending vertically when viewed from the front. The front panel 4 has a first panel section 41 and a second panel section 42.

The first panel portion 41 is a portion that covers the upper end of the horizontal flap 3 when the front panel 4 is closed. The first panel portion 41 forms a lower portion of the front panel 4.

The second panel portion 42 is a portion that covers the first suction port 21 when the front panel 4 is closed. The second panel section 42 forms the upper part of the front panel 4.

The upper end of the first panel portion 41 and the lower end of the second panel portion 42 are continuous, and the first panel portion 41 and the second panel portion 42 are connected to the first casing surface 23 when the front panel 4 is closed. In addition, they are integrally formed at a predetermined angle along the second casing surface 24. The front panel 4 is supported at both ends by support plates 43 and 44, respectively (see FIG. 7). The two support plates 43, 44 are provided on both side ends of the indoor unit casing 2, and are provided so as to be movable forward and backward, respectively. The front panel 4 moves as the support plates 43 and 44 move.

[0019] <Opening / closing operation>

Next, the opening and closing operation of the front panel 4 will be described in detail with reference to FIG. When the operation is stopped, the indoor unit 1 of the air conditioner closes the front panel together with the outlet 20 by the horizontal flap 3. The front panel 4 covers the first suction port 21 and the upper end of the horizontal flap 3 in the closed state, as shown in FIG. In this closed state, the first panel portion 41 covers the upper end of the horizontal flap 3, the gap G between the upper end of the horizontal flap 3 and the outlet 20, and the vicinity of the outlet 20 on the first casing surface 23. Further, the second panel part 42 covers the second casing surface 24. The front panel 4 has a bent shape, and in the closed state, along the first casing surface 23 and the second casing surface 24, in a state close to the first casing surface 23 and the second casing surface 24. It becomes. Thereby, when the operation of the indoor unit 1 is stopped, a portion from the upper end of the horizontal flap 3 to the first suction port 21 is hidden from the outside.

[0020] Next, at the start of operation, the indoor unit 1 of the air conditioner opens the front panel. The front panel 4 is opened by moving diagonally upward and forward as shown in FIG. 6 (b) (see arrow A1). At this time, the first panel portion 41 moves obliquely upward and forward along the first casing surface 23, and the second panel portion 42 moves obliquely upward and forward away from the second casing surface 24. The front panel 4 opens the outlet 20 and the first inlet 21. At this time, the first panel portion 41 moves to a position where the lower end exceeds the upper end of the outlet 20 so that the first panel portion 41 does not obstruct the blowing from the outlet 20 and the first panel portion 41 Closes the lower portion between the second panel portion 42 and the second casing surface 24. Then, as shown in FIG. 6 (c), when the horizontal flap 3 closing the outlet 20 is rotated, the outlet 20 is opened. Further, in this state, as shown in FIG. 7, the upper portion between the second panel portion 42 and the second casing surface 24 is open, so that air taken in from the first suction port 21 can pass through. it can. In the open state, the second panel section 42 Both sides between the second casing surface 24 and the second casing surface 24 are closed by support plates 43 and 44. I can't see the inside.

When the operation of the indoor unit 1 is stopped, after the horizontal flap 3 rotates and closes the outlet 20, the front panel 4 moves in the opposite direction to the above, and the first suction from the upper end of the horizontal flap 3 is performed. The part up to the mouth 21 is hidden from the outside again.

(1)

In the indoor unit 1 of the air conditioner, a portion from the upper end of the horizontal flap 3 to the first suction port 21 is concealed by the front panel 4 when the operation is stopped. For this reason, a relatively large gap G for enabling the horizontal flap 3 to rotate is difficult to see the external force. As a result, the aesthetic appearance of the indoor unit 1 of the air conditioner is improved, for example, the interior is improved.

In addition, in the case where the front panel 4 is provided as described above, in order to prevent such a gap G from being exposed to the front, it is necessary to reduce the gap G. In this case, the horizontal flap 3 The direction of rotation can be limited. However, in the indoor unit 1 of the air conditioner, such a restriction on the rotation direction of the horizontal flap 3 is relaxed.

[0022] (2)

In the indoor unit 1 of the air conditioner, the relatively large gap G for allowing the horizontal flap 3 to rotate is covered by the front panel 4 as described above. For this reason, the degree of sealing in the indoor unit casing 2 when the operation of the indoor unit 1 is stopped is improved.

In addition, when the operation of the indoor unit 1 is stopped, small animals such as insects and dust can be prevented from entering the interior of the indoor unit casing 2 through the gap G.

(3)

In the indoor unit 1 of the air conditioner, a front panel 4 in which a first panel portion 41 for concealing the gap G and a second panel portion 42 for covering the first suction port 21 are integrally formed, The first suction port 21 and the upper end of the horizontal flap 3 are concealed. For this reason, compared to the case where the first panel section 41 and the second panel section 42 operate separately, the outlet 2 0 and the first suction port 21 can be opened and closed.

[0023] (4)

In the indoor unit 1 of the air conditioner, the front panel 4 has a bent shape. Therefore, the front panel 4 moves obliquely upward and forward, so that the first panel portion 41 blocks the lower end between the second panel portion 42 and the second casing surface 24. For this reason, in the open state, the short circuit that is sucked in again from the first suction port 21 through the lower portion between the second panel portion 42 and the second casing surface 24 due to the air force blown out from the blowing port 20 is prevented. Can be prevented. In addition, since the short circuit is prevented, the front panel 4 can be moved relatively large, and the area of the opening provided at the upper portion between the second panel portion 42 and the second casing surface 24 is secured large. be able to.

In the above embodiment, the length of the lower end of the front panel 4 is reduced for smooth opening and closing operation, and the vicinity of the lower end of the horizontal flap 3 is not covered by the front panel 4. However, the front panel 4 covers the entire horizontal flap 3 from the viewpoint of improving the appearance.

Industrial applicability

[0024] The present invention has the effect of improving the appearance and is useful as an indoor unit of an air conditioner.

Claims

The scope of the claims

[1] a casing (2) having an outlet (20) through which air blown into the room passes;

A flap (3) provided so as to be capable of opening and closing the outlet (20), and guiding air blown out from the outlet (20);

A front panel (4) that covers at least a part of the casing (2) and at least one end of the flap (3) that closes the outlet (20) in a closed state;

An air conditioner indoor unit equipped with (1).

[2] The flap (3) has an elongated shape,

The indoor unit (1) for an air conditioner according to claim 1, wherein the front panel (4) covers at least one end forming a long side of the flap (3).

[3] A gap (G) is provided between the flap (3) for closing the outlet (20) and the casing (2),

The front panel (4) covers the gap (G) in the closed state,

The indoor unit (1) for an air conditioner according to claim 1 or 2.

[4] The outlet (20) is provided at a lower portion of the casing (2),

In the closed state, the front panel (4) overlaps at least the upper end of the flap (3).

An indoor unit (1) for an air conditioner according to any one of claims 1 to 3.

[5] The front panel (4) is in the closed state, and at least one end of the flap (3)

The indoor unit (1) of an air conditioner according to any one of claims 1 to 4, wherein the indoor unit (1) covers a suction port (21) through which air taken into the casing (2) passes.

[6] The front panel (4) has a first panel part (41) covering at least one end of the flap (3), and a second panel part (42) covering the suction port (21),

The indoor unit (1) for an air conditioner according to claim 5, wherein the first panel portion (41) and the second panel portion (42) are integrally formed.

[7] The casing (2)

A first casing surface (23) provided with the outlet (20),

The suction port (21) is provided and forms a predetermined angle with respect to the first casing surface (23). Second casing surface (24),

Has,

The first panel portion (41) and the second panel portion (42) are integrated at the predetermined angle along the first casing surface (23) and the second casing surface (24) in the closed state. Has been

An indoor unit (1) for an air conditioner according to claim 6.

[8] The front panel (4) has a structure in which the first panel portion (41) moves along the first casing surface (23) and the second panel portion (42) has the second casing surface (24). The indoor unit (1) for an air conditioner according to claim 7, wherein the air outlet (20) and the air inlet (21) are opened by moving away from the air outlet.

[9] The first panel portion (41) includes the second panel portion (42) and the second panel portion (42) in an open state in which the front panel (4) opens the outlet (20) and the suction port (21). 2 Close the gap between the casing (24),

An indoor unit (1) for an air conditioner according to claim 8.

[10] The outlet (20) has an elongated shape in the width (W) direction of the casing (2), and the front panel (4) has the outlet (20) in the width (W) direction. Has a longer shape than

An indoor unit (1) for an air conditioner according to any one of claims 1 to 9.

11. The air conditioner indoor unit (1) according to claim 10, wherein the front panel (4) has a width (W) substantially equal to a width (W) of the casing (2).

[12] The front panel (4) does not have a seam extending vertically when viewed from the front,

An indoor unit (1) for an air conditioner according to any one of claims 1 to 11.

[13] The front panel (4) covers the entire flap (3),

An indoor unit (1) for an air conditioner according to any one of claims 1 to 12.

[14] a casing (2) having an outlet (20) through which air blown into the room passes;

A flap (3) provided so as to be capable of opening and closing the outlet (20) and guiding air blown out from the outlet (20);

In the closed state, the casing (2) and the flap ( Front panel (4) covering between 3) and

An indoor unit of an air conditioner equipped with (1).

[15] The flap (3) covers a lower portion of the outlet (20) in a closed state,

The indoor unit (1) for an air conditioner according to claim 14, wherein the front panel (4) covers an upper portion of the outlet (20) in a closed state.

16. The air conditioner indoor unit (1) according to claim 14 or 15, wherein the front panel (4) in a closed state covers one end of the flap (3) in a front view.